mirror of
https://github.com/torvalds/linux.git
synced 2024-12-24 20:01:55 +00:00
36 lines
696 B
C
36 lines
696 B
C
/*
|
|
* Registers for the SGS-Thomson M48T37 Timekeeper RAM chip
|
|
*/
|
|
#ifndef _ASM_M48T37_H
|
|
#define _ASM_M48T37_H
|
|
|
|
#include <linux/spinlock.h>
|
|
|
|
extern spinlock_t rtc_lock;
|
|
|
|
struct m48t37_rtc {
|
|
volatile u8 pad[0x7ff0]; /* NVRAM */
|
|
volatile u8 flags;
|
|
volatile u8 century;
|
|
volatile u8 alarm_sec;
|
|
volatile u8 alarm_min;
|
|
volatile u8 alarm_hour;
|
|
volatile u8 alarm_data;
|
|
volatile u8 interrupts;
|
|
volatile u8 watchdog;
|
|
volatile u8 control;
|
|
volatile u8 sec;
|
|
volatile u8 min;
|
|
volatile u8 hour;
|
|
volatile u8 day;
|
|
volatile u8 date;
|
|
volatile u8 month;
|
|
volatile u8 year;
|
|
};
|
|
|
|
#define M48T37_RTC_SET 0x80
|
|
#define M48T37_RTC_STOPPED 0x80
|
|
#define M48T37_RTC_READ 0x40
|
|
|
|
#endif /* _ASM_M48T37_H */
|